
Downloaded from www.Manualslib.com manuals search engine 2. Let  up  on  the  brake  pedal. 
3. Drive  slowly  until  the  trailer is clear  of the  chocks. 
4. Stop  and  have  someone  pick  up  and  store  the  chocks. 
Maintenance  When  Trailer  Towing 
Parking  on  Hills 
You really should  not  park  your  vehicle,  with a trailer 
attached, 
on a hill.  If  something  goes  wrong,  your  rig 
could  start  to move.  People  can  be  injured,  and  both 
your  vehicle  and  the  trailer  can  be  damaged. 
But  if  you  ever  have  to park  your  rig  on  a  hill,  here’s 
how  to  do it: 
1. Apply  the  regular  brakes,  but  do  not shift into  PARK (P). 
2. Have  someone  place  chocks  under  the  trailer  wheels. 
3. When  the wheel  chocks  are  in  place,  release  the 
regular  brakes  until  the  chocks  absorb  the  load. 
4. Reapply  the  regular  brakes.  Then  shift  into 
PARK (P)  firmly  and  apply  the  parking  brake. 
5. Release  the  regular  brakes. 
When You Are  Ready  to  Leave  After 
Parking  on  a  Hill 
1. Apply  your  regular  brakes  and  hold  the  pedal  down 
while  you: 
0 Start  your  engine; 
Shift  into  a  gear;  and 
0 Be  sure  the  parking  brake  has  released.  Your 
vehicle  will  need  service  more  often  when  you’re 
pulling  a  trailer.  See the  Maintenance  Schedule  booklet 
for  more  on  this.  Things  that  are  especially  important  in 
trailer  operation 
are automatic  transmission  fluid  (don’t 
overfill),  engine 
oil, axle  lubricant,  drive  belt,  cooling 
system  and  brake  adjustment.  If you’re  trailering,  it’s  a 
good  idea to  review  this  information  before  you start 
your  trip. 
Check  periodically  to  see 
that all  hitch  nuts  and  bolts 
are  tight. 
Engine  Cooling  When  Trailer  Towing 
Your  cooling  system  may  temporarily  overheat  during 
severe  operating  conditions.  See  “Engine  Overheating” 
in  the  Index. 
4-36   

Downloaded from www.Manualslib.com manuals search engine Service 
Your dealer  knows  your  vehicle  best  and  wants  you  to 
be  happy  with  it.  We hope  you’ll  go to  your  dealer  for 
all your  service  needs.  You’ll  get  genuine GM parts  and 
GM-trained  and  supported  service  people. 
We  hope  you’ll  want  to  keep your GM vehicle  all  GM. 
Genuine  GM parts  have  one of these 
marks: 
Genuine 
Doing Your Own Service Work 
If  you  want  to do some  of your  own  service  work,  yW11 
want  to  use  the  proper  Cadillac  Service  Manual.  It  tells  you  much  more  about  how  to  service  your  vehicle  than 
this  manual  can. 
To order  the proper  service  manual,  see 
“Service  and  Owner  Publications”  in  the  Index. 
Your  vehicle  has  an air  bag  system.  Before attempting  to 
do  your  own  service  work,  see “Servicing  Your Air 
Bag-Equipped  Vehicle”  in  the  Index. 
You  should  keep  a  record  with  all  parts  receipts  and  list 
the  mileage  and 
the date of any  service  work  you 
perform.  See “Maintenance  Record”  in the  Maintenance 
Schedule  booklet. 
6-2   

Downloaded from www.Manualslib.com manuals search engine As shown in the  chart, SAE 1OW-30  is best  for  your 
vehicle.  However,  you 
can use SAE 5W-30 if  it’s  going 
to  be  colder  than 
60 OF (1 6 O C) before  your  next  oil 
change.  When  it’s  very  cold,  you  should  use 
SAE 
5W-30.  These  numbers  on  an oil container  show  its 
viscosity,  or thickness. 
Do not  use  other  viscosity  oils, 
such  as 
SAE 20W-50. 
NOTICE: 
Use  only  engine  oil  with  the  American  Petroleum 
Institute  Certified  For  Gasoline  Engines 
“Starburst”  symbol.  Failure  to  use  the 
recommended  oil  can  result  in  engine  damage  not 
covered  by  your  warranty. 
GM  Goodwrench@  oil  meets  all  the requirements  for 
your  vehicle. 
If you  are in  an  area  where  the  temperature  falls  below 
-20°F  (-29”C),  consider  using  either  an 
SAE 5W-30 
synthetic  oil  or  an 
SAE OW-30  oil. Both  will  provide 
easier  cold  starting  and  better  protection  for your  engine 
at  extremely  low  temperatures. 
Engine Oil Additives 
Don’t  add  anything  to  your  oil.  Your dealer is ready  to 
advise 
if you  think  something  should  be  added. 
When to Change  Engine  Oil 
If  any  one of these  is true  for  you,  use  the  short  tripkity 
maintenance  schedule: 
0 
0 
0 
0 
0 
Most  trips  are less  than 5 to 10 miles (8 to 16 km). 
This  is  particularly  important  when  outside 
temperatures 
are below  freezing. 
Most  trips  include  extensive  idling  (such  as  frequent  driving  in  stop-and-go  traffic). 
Most  trips  are through  dusty  areas. 
You  frequently  tow  a  trailer 
or use  a  carrier  on top  of 
your  Catera. 
The  vehicle  is used  for delivery  service,  police,  taxi 
or  other  commercial  application. 
Driving  under  these  conditions  causes  engine  oil 
to 
break  down  sooner. If any  one of these  is true  for your 
vehicle,  then  you  need  to  change  your  oil  and  filter 
every 
5,000 miles (8 000 km) or  3  months -- whichever 
occurs  first.   

Downloaded from www.Manualslib.com manuals search engine If none  of them is true,  use  the long triphighway 
maintenance  schedule. Change the oil and  filter  at  the 
first 
5,000 miles (8 000 km) or 3 months -- whichever 
occurs first. Then, change the oil  and filter every 
10,000 miles (16 000 km) or 12 months -- whichever 
occurs  first. Driving a  vehicle  with  a fully  warmed 
engine  under  highway  conditions  causes engine oil to 
break  down slower. 
What  to Do with Used Oil 
Did  you  know  that  used  engine oil contains  certain 
elements  that  may  be  unhealthy  for your  skin  and could 
even cause cancer? Don't  let  used oil stay  on  your  skin 
for  very  long.  Clean  your  skin  and 
nails with  soap  and 
water,  or a good  hand cleaner.  Wash or properly  throw 
away  clothing  or  rags  containing  used  engine oil. (See 
the  manufacturer's  warnings about the use  and  disposal 
of  oil  products.) 
Air Cleaner 
The  air  cleaner  is  located  behind  the headlamps  on 
the  passenger's  side 
of the engine. Be sure  the  engine 
has  cooled  before  following these  steps  to  replace  the 
air  filter. 
Used 
oil can  be a  real  threat  to  the  environment. If  you 
change  your  own  oil, be  sure  to  drain  all  free-flowing  oil 
from  the filter before  disposal. Don't  ever  dispose of oil 
by  putting  it 
in the  trash,  pouring it on  the  ground,  into 
sewers, 
or into  streams or bodies  of water.  Instead, 
recycle 
it by  taking it to a place  that  collects  used  oil.  If 
you  have a problem  properly  disposing 
of your used  oil, 
ask your  dealer, a service  station  or a local  recycling 
center  for help. 
6-15   

Downloaded from www.Manualslib.com manuals search engine See “Scheduled Maintenance Services”  in the 
Maintenance Schedule  booklet. 
Operating the engine  with  the  air cleaner off can 
cause  you or others 
to be  burned. The  air cleaner 
not  only  cleans  the air,  it stops  flame  if the  engine 
backfires. 
If it  isn’t  there,  and the engine 
backfires, 
you could  be  burned. Don’t drive with 
it  off,  and  be careful  working  on  the engine  with 
the  air cleaner 
off. 
NOTICE: I 
If the  air cleaner  is off, a bachfire can  cause a 
damaging  engine  fire.  And,  dirt can  easily  get 
into your  engine,  which  will  damage  it.  Always 
have  the air cleaner  in  place  when  you’re  driving. 
Passenger  Compartment  Air 
Filter  Replacement 
The passenger compartment  air  filter  traps  most of the 
pollen  from  the  air  entering  your  vehicle.  Like your 
vehicle’s  air  cleaner  filter,  it  may  need  to  be  changed  periodically.  For 
how often  to  change the passenger 
compartment  air  filter,  see  your  Maintenance 
Schedule  booklet. 
B 
The access  panel  for the  passenger  compartment  air 
filter 
is on the grille, at the  base of the  windshield, on 
the  passenger’s  side.   

Downloaded from www.Manualslib.com manuals search engine Change both the fluid  and filter  every 50,000 miles 
(83 000 km) if the vehicle  is mainly  driven  under  one or 
more 
of these  conditions: 
In  heavy  city  traffic  where  the outside  temperature 
In  hilly  or  mountainous  terrain. 
When doing frequent  trailer  towing. 
Uses such as found in taxi,  police  or  delivery  service. 
If you do not  use  your  vehicle  under any of these 
conditions,  the  fluid and filter do  not  require  changing. 
regularly 
reaches 
90” F (32” C) or  higher. 
NOTICE: 
We recommend  you  use  only  fluid  labeled 
DEXRON@-m,  because  fluid  with  that  label 
is 
made  especially  for  your  automatic  transmission. 
Damage 
caused by  fluid  other  than  DEXRON@-III 
is not  covered  by  your  new  vehicle  warranty. 
Rear Axle 
When to Check  Lubricant 
Refer  to  the  Maintenance Schedule  to determine  how 
often  to  check the  lubricant.  See “Periodic  Maintenance 
Inspections”  and  “Scheduled  Maintenance Services”  in 
the Maintenance Schedule  booklet. 
How to  Check  Lubricant 
If the  level  is  below  the  bottom  of the  filler  plug hole, 
you’ll  need  to add some  lubricant.  Add  enough  lubricant 
to  raise  the level  to  the  bottom  of the  filler  plug  hole.   

Downloaded from www.Manualslib.com manuals search engine Brake  Wear 
Your vehicle  has four-wheel  disc  brakes. 
Your  vehicle  has electronic  wear  sensors  that  let  you 
know  when  the  front brake  pads  are  significantly  worn 
and  new  pads  are  needed.  The brake  pad  wear  indicator 
light 
will come on and  stay  on  when  the  brake  pads  are 
worn and  need  to  be  replaced.  (See “Brake  Pad  Wear 
Indicator  Light”  in the  Index.) 
I A CAUTION: I 
The  brake  pad  wear  indicator  light  means  that 
soon  your  brakes  won’t  work  well.  That  could 
lead  to  an  accident.  When  the  brake  pad  wear 
indicator  light  comes  on  and  stays  on,  have  your 
vehicle  serviced. 
NOTICE: 
Continuing to drive  with  worn-out  brake  pads 
could  result  in  costly  brake  repair. 
Some  driving  conditions  or  climates  may  cause  a  brake 
squeal  when  the  brakes  are  first applied 
or lightly 
applied.  This does  not  mean  something  is wrong  with 
your  brakes. 
Properly  torqued  wheel  bolts  are  necessary  to  help 
prevent  brake  pulsation.  When  tires  are  rotated,  inspect 
brake  pads  for wear  and  evenly  torque  wheel  bolts  in  the 
proper  sequence  to  GM  specifications. 
Brake  linings  should  always  be  replaced  as  complete 
axle  sets. 
See “Brake System  Inspection”  in  the  Maintenance 
Schedule  booklet  under 
Part C “Periodic  Maintenance 
Inspections.” 
6-28   

Downloaded from www.Manualslib.com manuals search engine When  to  Check 
Check your tires once  a  month  or more.  Also,  check the 
tire  pressure  of the spare  tire. 
How to Check 
Use a good  quality  pocket-type gage  to check  tire 
pressure. 
You can’t  tell  if  your  tires are properly  inflated 
simply  by looking at  them. Radial  tires  may  look 
properly  inflated  even when  they’re  underinflated. 
Be  sure  to  put  the  valve  caps  back  on 
the valve  stems. 
They  help  prevent  leaks  by  keeping  out  dirt  and  moisture. 
Tire  Inspection  and  Rotation 
Tires  should  be rotated  at 5,000 miles (8 000 km) and 
then  every 
10,000 miles (16 000 km) thereafter.  Any 
time  you  notice  unusual wear,  rotate  your tires  as  soon 
as  possible  and  check wheel  alignment.  Also  check for 
damaged  tires or wheels.  See “When  It’s  Time 
for New 
Tires”  and  “Wheel Replacement” later in  this  section for 
more  information.  The purpose 
of regular  rotation  is  to 
achieve more 
uniform  wear  for all  tires  on  the vehicle.  The first 
rotation  is the most  important.  See “Scheduled 
Maintenance  Services” in the  Maintenance Schedule 
booklet  for scheduled  rotation  intervals. 
7- 
When rotating  your  tires,  always  use the correct  rotation 
pattern  shown  here.